Home / 338,297,856.70-507,446,785.05-329,794,800.70

Finding the Fourth Proportional to 338,297,856.70, 507,446,785.05 and 329,794,800.70

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Solution

The fourth proportional to 338,297,856.70, 507,446,785.05 and 329,794,800.70 is: 494,692,201.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,297,856.70 : 507,446,785.05 = 329,794,800.70 : x
  2. Step 2: Convert to fraction form
    338,297,856.70/507,446,785.05 = 329,794,800.70/x
  3. Step 3: Cross multiply
    338,297,856.70x = 507,446,785.05 × 329,794,800.70
  4. Step 4: Simplify right side
    338,297,856.70x = 167,353,311,341,420,480
  5. Step 5: Solve for x
    x = 167,353,311,341,420,480/338,297,856.70
  6. Step 6: Final answer
    x = 494,692,201.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.